BioMedical Admissions Test (BMAT) Practice Test 2025 - Free BMAT Practice Questions and Study Guide

Question: 1 / 400

When light goes from glass to air, how does the angle of refraction behave?

It approaches the normal

It decreases

It goes away from the normal

When light transitions from a denser medium like glass to a less dense medium such as air, the angle of refraction behaves in a specific manner dictated by Snell's Law. In this scenario, the light ray will bend away from the normal line. This occurs because the speed of light increases when it moves from a denser medium (glass) to a less dense one (air), resulting in a larger angle relative to the normal.

As light enters air, which has a lower index of refraction compared to glass, it indeed moves away from the normal line. This shift signifies that the refracted angle is greater than the incident angle. Therefore, the correct understanding of this behavior leads to the conclusion that when light goes from glass to air, the angle of refraction moves away from the normal.

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It remains the same

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